<template>
  <div>
    <h1>{{id ? '修改' : '新建'}}物品</h1>
    <el-form label-width="120px" @submit.native.prevent="save">
      <el-form-item label="名称">
        <el-input v-model="model.name"></el-input>
      </el-form-item>
      <el-form-item label="图标">
        <el-upload
          class="avatar-uploader"
          :action="uploadUrl"
          :headers="getAuthHeaders()"
          :show-file-list="false"
          :on-success="successUpload"
        >
          <img v-if="model.icon" :src="model.icon" class="avatar" />
          <i v-else class="el-icon-plus avatar-uploader-icon"></i>
        </el-upload>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" native-type="submit">保存</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  props: {
    id: String
  },
  data () {
    return {
      model: {}
    }
  },
  methods: {
    async save () {
      if (this.model.name.trim() === '') {
        this.$message.error('请输入物品名称')
        return
      }
      if (this.id) {
        await this.$http.put(`/rest/items/${this.id}`, this.model)
        this.$message.success('修改成功')
      } else {
        await this.$http.post('/rest/items', this.model)
        this.$message.success('保存成功')
      }
      this.$router.push('/items/list')
    },
    async getName () {
      const { data: res } = await this.$http.get(`/rest/items/${this.id}`)
      this.model = res
    },
    successUpload (res) {
      this.$set(this.model, 'icon', res.url)
      // this.model.icon = res.url
    }
  },
  created () {
    this.id && this.getName()
  }
}
</script>

<style scoped>
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 5rem;
  height: 5rem;
  line-height: 5rem;
  text-align: center;
}
.avatar {
  width: 5rem;
  height: 5rem;
  display: block;
}
</style>
